import { parseTime } from './ruoyi'
import { getToken } from '@/utils/auth'
import { downloadAPI, downloadProblemFeedbackAPI } from '@/api/comm.js'
import { checkRole } from '@/utils/permission'
import { getAccount } from '@/utils/auth'

/**
 * 表格时间格式化
 */
export function formatDate(cellValue) {
	if (cellValue == null || cellValue == '') return ''
	var date = new Date(cellValue)
	var year = date.getFullYear()
	var month = date.getMonth() + 1 < 10 ? '0' + (date.getMonth() + 1) : date.getMonth() + 1
	var day = date.getDate() < 10 ? '0' + date.getDate() : date.getDate()
	var hours = date.getHours() < 10 ? '0' + date.getHours() : date.getHours()
	var minutes = date.getMinutes() < 10 ? '0' + date.getMinutes() : date.getMinutes()
	var seconds = date.getSeconds() < 10 ? '0' + date.getSeconds() : date.getSeconds()
	return year + '-' + month + '-' + day + ' ' + hours + ':' + minutes + ':' + seconds
}

/**
 * @param {number} time
 * @param {string} option
 * @returns {string}
 */
export function formatTime(time, option) {
	if (('' + time).length === 10) {
		time = parseInt(time) * 1000
	} else {
		time = +time
	}
	const d = new Date(time)
	const now = Date.now()

	const diff = (now - d) / 1000

	if (diff < 30) {
		return '刚刚'
	} else if (diff < 3600) {
		// less 1 hour
		return Math.ceil(diff / 60) + '分钟前'
	} else if (diff < 3600 * 24) {
		return Math.ceil(diff / 3600) + '小时前'
	} else if (diff < 3600 * 24 * 2) {
		return '1天前'
	}
	if (option) {
		return parseTime(time, option)
	} else {
		return d.getMonth() + 1 + '月' + d.getDate() + '日' + d.getHours() + '时' + d.getMinutes() + '分'
	}
}

/**
 * @param {string} url
 * @returns {Object}
 */
export function getQueryObject(url) {
	url = url == null ? window.location.href : url
	const search = url.substring(url.lastIndexOf('?') + 1)
	const obj = {}
	const reg = /([^?&=]+)=([^?&=]*)/g
	search.replace(reg, (rs, $1, $2) => {
		const name = decodeURIComponent($1)
		let val = decodeURIComponent($2)
		val = String(val)
		obj[name] = val
		return rs
	})
	return obj
}

/**
 * @param {string} input value
 * @returns {number} output value
 */
export function byteLength(str) {
	// returns the byte length of an utf8 string
	let s = str.length
	for (var i = str.length - 1; i >= 0; i--) {
		const code = str.charCodeAt(i)
		if (code > 0x7f && code <= 0x7ff) s++
		else if (code > 0x7ff && code <= 0xffff) s += 2
		if (code >= 0xdc00 && code <= 0xdfff) i--
	}
	return s
}

/**
 * @param {Array} actual
 * @returns {Array}
 */
export function cleanArray(actual) {
	const newArray = []
	for (let i = 0; i < actual.length; i++) {
		if (actual[i]) {
			newArray.push(actual[i])
		}
	}
	return newArray
}

/**
 * @param {Object} json
 * @returns {Array}
 */
export function param(json) {
	if (!json) return ''
	return cleanArray(
		Object.keys(json).map((key) => {
			if (json[key] === undefined) return ''
			return encodeURIComponent(key) + '=' + encodeURIComponent(json[key])
		})
	).join('&')
}

/**
 * @param {string} url
 * @returns {Object}
 */
export function param2Obj(url) {
	const search = decodeURIComponent(url.split('?')[1]).replace(/\+/g, ' ')
	if (!search) {
		return {}
	}
	const obj = {}
	const searchArr = search.split('&')
	searchArr.forEach((v) => {
		const index = v.indexOf('=')
		if (index !== -1) {
			const name = v.substring(0, index)
			const val = v.substring(index + 1, v.length)
			obj[name] = val
		}
	})
	return obj
}

/**
 * @param {string} val
 * @returns {string}
 */
export function html2Text(val) {
	const div = document.createElement('div')
	div.innerHTML = val
	return div.textContent || div.innerText
}

/**
 * Merges two objects, giving the last one precedence
 * @param {Object} target
 * @param {(Object|Array)} source
 * @returns {Object}
 */
export function objectMerge(target, source) {
	if (typeof target !== 'object') {
		target = {}
	}
	if (Array.isArray(source)) {
		return source.slice()
	}
	Object.keys(source).forEach((property) => {
		const sourceProperty = source[property]
		if (typeof sourceProperty === 'object') {
			target[property] = objectMerge(target[property], sourceProperty)
		} else {
			target[property] = sourceProperty
		}
	})
	return target
}

/**
 * @param {HTMLElement} element
 * @param {string} className
 */
export function toggleClass(element, className) {
	if (!element || !className) {
		return
	}
	let classString = element.className
	const nameIndex = classString.indexOf(className)
	if (nameIndex === -1) {
		classString += '' + className
	} else {
		classString = classString.substr(0, nameIndex) + classString.substr(nameIndex + className.length)
	}
	element.className = classString
}

/**
 * @param {string} type
 * @returns {Date}
 */
export function getTime(type) {
	if (type === 'start') {
		return new Date().getTime() - 3600 * 1000 * 24 * 90
	} else {
		return new Date(new Date().toDateString())
	}
}

/**
 * @param {Function} func
 * @param {number} wait
 * @param {boolean} immediate
 * @return {*}
 */
export function debounce(func, wait, immediate) {
	let timeout, args, context, timestamp, result

	const later = function () {
		// 据上一次触发时间间隔
		const last = +new Date() - timestamp

		// 上次被包装函数被调用时间间隔 last 小于设定时间间隔 wait
		if (last < wait && last > 0) {
			timeout = setTimeout(later, wait - last)
		} else {
			timeout = null
			// 如果设定为immediate===true，因为开始边界已经调用过了此处无需调用
			if (!immediate) {
				result = func.apply(context, args)
				if (!timeout) context = args = null
			}
		}
	}

	return function (...args) {
		context = this
		timestamp = +new Date()
		const callNow = immediate && !timeout
		// 如果延时不存在，重新设定延时
		if (!timeout) timeout = setTimeout(later, wait)
		if (callNow) {
			result = func.apply(context, args)
			context = args = null
		}

		return result
	}
}

/**
 * This is just a simple version of deep copy
 * Has a lot of edge cases bug
 * If you want to use a perfect deep copy, use lodash's _.cloneDeep
 * @param {Object} source
 * @returns {Object}
 */
export function deepClone(source) {
	if (!source && typeof source !== 'object') {
		throw new Error('error arguments', 'deepClone')
	}
	const targetObj = source.constructor === Array ? [] : {}
	Object.keys(source).forEach((keys) => {
		if (source[keys] && typeof source[keys] === 'object') {
			targetObj[keys] = deepClone(source[keys])
		} else {
			targetObj[keys] = source[keys]
		}
	})
	return targetObj
}

/**
 * @param {Array} arr
 * @returns {Array}
 */
export function uniqueArr(arr) {
	return Array.from(new Set(arr))
}

/**
 * @returns {string}
 */
export function createUniqueString() {
	const timestamp = +new Date() + ''
	const randomNum = parseInt((1 + Math.random()) * 65536) + ''
	return (+(randomNum + timestamp)).toString(32)
}

/**
 * Check if an element has a class
 * @param {HTMLElement} elm
 * @param {string} cls
 * @returns {boolean}
 */
export function hasClass(ele, cls) {
	return !!ele.className.match(new RegExp('(\\s|^)' + cls + '(\\s|$)'))
}

/**
 * Add class to element
 * @param {HTMLElement} elm
 * @param {string} cls
 */
export function addClass(ele, cls) {
	if (!hasClass(ele, cls)) ele.className += ' ' + cls
}

/**
 * Remove class from element
 * @param {HTMLElement} elm
 * @param {string} cls
 */
export function removeClass(ele, cls) {
	if (hasClass(ele, cls)) {
		const reg = new RegExp('(\\s|^)' + cls + '(\\s|$)')
		ele.className = ele.className.replace(reg, ' ')
	}
}

export function makeMap(str, expectsLowerCase) {
	const map = Object.create(null)
	const list = str.split(',')
	for (let i = 0; i < list.length; i++) {
		map[list[i]] = true
	}
	return expectsLowerCase ? (val) => map[val.toLowerCase()] : (val) => map[val]
}

export const exportDefault = 'export default '

export const beautifierConf = {
	html: {
		indent_size: '2',
		indent_char: ' ',
		max_preserve_newlines: '-1',
		preserve_newlines: false,
		keep_array_indentation: false,
		break_chained_methods: false,
		indent_scripts: 'separate',
		brace_style: 'end-expand',
		space_before_conditional: true,
		unescape_strings: false,
		jslint_happy: false,
		end_with_newline: true,
		wrap_line_length: '110',
		indent_inner_html: true,
		comma_first: false,
		e4x: true,
		indent_empty_lines: true
	},
	js: {
		indent_size: '2',
		indent_char: ' ',
		max_preserve_newlines: '-1',
		preserve_newlines: false,
		keep_array_indentation: false,
		break_chained_methods: false,
		indent_scripts: 'normal',
		brace_style: 'end-expand',
		space_before_conditional: true,
		unescape_strings: false,
		jslint_happy: true,
		end_with_newline: true,
		wrap_line_length: '110',
		indent_inner_html: true,
		comma_first: false,
		e4x: true,
		indent_empty_lines: true
	}
}

// 首字母大小
export function titleCase(str) {
	return str.replace(/( |^)[a-z]/g, (L) => L.toUpperCase())
}

// 下划转驼峰
export function camelCase(str) {
	return str.replace(/_[a-z]/g, (str1) => str1.substr(-1).toUpperCase())
}

export function isNumberStr(str) {
	return /^[+-]?(0|([1-9]\d*))(\.\d+)?$/g.test(str)
}

// 千分位分割符
export function format_with_array(number = 0) {
	// 判断是否为负数
	let isNegative = Number(number) < 0
	if (isNegative) {
		number = (number + '').substring(1)
	}
	// 转为字符串，并按照.拆分
	const arr = (number + '').split('.')
	// 整数部分再拆分
	const int = arr[0].split('')
	// 小数部分
	const fraction = arr[1] || ''
	// 返回的变量
	let r = ''
	int.reverse().forEach(function (v, i) {
		// 非第一位并且是位值是3的倍数，添加“,”
		if (i !== 0 && i % 3 === 0) {
			r = v + ',' + r
		} else {
			// 正常添加字符(这是好写法)
			r = v + r
		}
	})
	// 整数部分和小数部分拼接
	if (isNegative) {
		return '-' + r + (!!fraction ? '.' + fraction : '')
	} else {
		return r + (!!fraction ? '.' + fraction : '')
	}
}

/*
通用下载文件
fileUrl:文件下载地址
fileName:文件名
 */
export function downloadFile(fileUrl, fileName) {
	fetch(fileUrl, { credentials: 'include', mode: 'cors', headers: { Authorization: 'Bearer ' + getToken() } }).then((res) => {
		res.blob().then((blob) => {
			const blobUrl = window.URL.createObjectURL(blob)
			const filename = fileName
			const a = document.createElement('a')
			a.href = blobUrl
			a.download = filename
			a.click()
			window.URL.revokeObjectURL(blobUrl)
		})
	})
}

/* 通用下载文件
url:文件下载地址
*/

export async function commDownloadFile(url) {
	const { url: fileUrl, originalName: fileName } = await downloadAPI({ url })
	fetch(fileUrl, { credentials: 'include', mode: 'cors', headers: { Authorization: 'Bearer ' + getToken() } }).then((res) => {
		res.blob().then((blob) => {
			const blobUrl = window.URL.createObjectURL(blob)
			const a = document.createElement('a')
			a.href = blobUrl
			a.download = fileName
			a.click()
			window.URL.revokeObjectURL(blobUrl)
		})
	})
}

/* 通用文件下载 */
export async function downloadFileWithCustomName(fileUrl, fileName) {
	fetch(fileUrl, { credentials: 'include', mode: 'cors', headers: { Authorization: 'Bearer ' + getToken() } }).then((res) => {
		res.blob().then((blob) => {
			const blobUrl = window.URL.createObjectURL(blob)
			const a = document.createElement('a')
			a.href = blobUrl
			a.download = fileName
			a.click()
			window.URL.revokeObjectURL(blobUrl)
		})
	})
}

// 幅宽缩率详情下载排版资料
export async function widthRateLoadFile(url, problemId) {
	const { url: fileUrl, originalName: fileName } = await downloadProblemFeedbackAPI({ url, problemId })
	fetch(fileUrl, { credentials: 'include', mode: 'cors', headers: { Authorization: 'Bearer ' + getToken() } }).then((res) => {
		res.blob().then((blob) => {
			const blobUrl = window.URL.createObjectURL(blob)
			const a = document.createElement('a')
			a.href = blobUrl
			a.download = fileName
			a.click()
			window.URL.revokeObjectURL(blobUrl)
		})
	})
}

/* 字符串转数字保留几位小数 */
export function strToFixed(str = 0, n = 0) {
	const num = parseFloat(str)
	if (isNaN(num)) {
		return str
	}
	const roundedNum = num.toFixed(n)
	return roundedNum.toString()
}

/**
 * @description: 数组去重合并
 * @event:
 * @param {*} localArray 本地静态数组
 * @param {*} backendArray 后端返回数组
 * @param {*} params 对比去重依赖字段名
 * @return {*} 合并去重后的数组
 */
export function mergeArrays(localArray, backendArray, params) {
	const backendMap = {}
	// 构建后端返回数组的对象映射
	backendArray.forEach((item) => {
		backendMap[item[params]] = item
	})

	// 遍历本地静态数组，替换重复项
	localArray.forEach((item, index) => {
		if (backendMap[item[params]]) {
			localArray[index] = backendMap[item[params]]
		}
	})
	return localArray
}

/**
 * 将驼峰式命令字符串转为 ._. 形式（例如：aB => a_b）
 * @param {string} str
 * @returns {string}
 */
export function camelToSnakeCase(str) {
	return str.replace(/[A-Z]/g, function (match) {
		return '_' + match.toLowerCase()
	})
}

// 不同tab展示不同字段
export function tabsShowJudge(tabs, currentTab) {
	return tabs ? tabs.includes(Number(currentTab)) : true
}

// 检验自定义列是否需要根据权限控制是否显示
export function customCheckRole(array) {
	return array ? checkRole(array) : true
}

// 检验自定义列,排除某些角色进行显示
export function excludeRole(array) {
	return array ? !checkRole(array) : true
}

/* 将阿拉伯数字转换为 */
export function convertToChineseCurrency(amount) {
	// 中文大写单位
	const units = ['', '十', '百', '千', '万', '亿']
	const numerals = ['零', '壹', '贰', '叁', '肆', '伍', '陆', '柒', '捌', '玖']

	// 处理整数部分
	function convertIntegerPart(num) {
		if (num === '0') return numerals[0]

		let reversedAmount = num.split('').reverse().join('')
		let result = ''
		let unitIndex = 0
		let zeroFlag = false

		for (let i = 0; i < reversedAmount.length; i++) {
			let digit = parseInt(reversedAmount[i])

			// 处理零的情况
			if (digit === 0) {
				if (!zeroFlag) {
					result = numerals[digit] + result
					zeroFlag = true
				}
			} else {
				// 将当前数字和单位添加到结果中
				result = numerals[digit] + units[unitIndex] + result
				zeroFlag = false
			}

			// 每四位添加一次“万”或“亿”单位
			if (unitIndex === 3) {
				unitIndex = 0
				if (i !== reversedAmount.length - 1) {
					result = units[4] + result
				}
			} else {
				unitIndex++
			}
		}

		// 处理“亿”单位
		if (result.indexOf(units[4]) !== -1) {
			result = result.replace(units[4] + units[4], units[4])
		}

		// 处理末尾的“零”
		result = result.replace(/零+$/, '')

		return result
	}

	// 处理角和分部分
	function convertDecimalPart(decimalStr) {
		let result = ''
		if (decimalStr.length > 0) {
			let jiao = parseInt(decimalStr[0])
			let fen = decimalStr.length > 1 ? parseInt(decimalStr[1]) : 0

			if (jiao > 0) {
				result += numerals[jiao] + '角'
			}
			if (fen > 0) {
				result += numerals[fen] + '分'
			}
		}
		return result
	}

	// 主函数
	let [integerPart, decimalPart = ''] = amount.split('.')
	integerPart = convertIntegerPart(integerPart)
	decimalPart = convertDecimalPart(decimalPart)

	let result = integerPart + '元'
	if (decimalPart) {
		result += decimalPart
	} else {
		result += '整'
	}

	return result
}
// 检验表格列对应的显示账号是否匹配
export function checkAccount(array) {
	if (array && array.length) {
		const hasAccount = array.some((account) => account === getAccount())
		return hasAccount
	} else {
		return true
	}
}
export function extractContent(richText) {
	// 创建 DOMParser 实例
	const parser = new DOMParser()
	// 解析富文本字符串为 HTML 文档
	const doc = parser.parseFromString(richText, 'text/html')

	// 提取文本内容
	const pElements = doc.querySelectorAll('p')
	const textContent = Array.from(pElements)
		.map((p) => p.innerText)
		.join(' ')

	return textContent ? textContent : '查看驳回原因详情'
}

/* 根据开始时间和结束时间计算时差，保留两位小时 */
export function calculateDuration(startTime, endTime) {
  // 将时间字符串转为 Date 对象
  const start = new Date(startTime);
  const end = new Date(endTime);

  // 计算时间差，单位为毫秒
  const timeDifference = end - start;

  // 将毫秒转换为小时，并保留2位小数
  const durationInHours = (timeDifference / (1000 * 60 * 60)).toFixed(2);

  return parseFloat(durationInHours); // 转换为数字类型
}
